Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 945 [Rate centres in NPA 945] [Dial plan for NPA 945]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
945-587 A Dallas TX DLLSTX97XZX  883K AHOI LLC 552   2026-01-11   
945-587 4 Dallas TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2026-09-17   
945-587 5 Dallas TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2026-09-17   
945-587 6 Dallas TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2026-09-17   
945-587 8 Dallas TX DLLSTX97XZX  883K AHOI LLC 552   2026-01-11   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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